Tuesday, August 5, 2014

My Year of Darwin: 8/5/2014 The major lines of Darwin's evidence for evolution

 Charles Darwin

"In considering the Origin of Species, it is quite conceivable that a naturalist, reflecting on the mutual affinities of organic beings, on their embryological relations, their geographical distribution, geological succession, and other such facts, might come to the conclusion that each species had not been independently created, but had descended, life varieties, from other species." Charles Darwin, Origin of Species

Here Darwin, in the very beginning of Origin, outlines the major lines of evidence of evolution with common descent. These are:

  • shared embryological development among related organisms
  • related organisms tend have adjacent distributions
  • organisms change through the geological record
And I bet he wanted to say "Unless you're an idiot.." 

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